./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/round.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/round.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5af096602968b138e39e870cf8b45f1db42f1b1881a6ab5756cfe0982d67af39 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:23:27,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:23:28,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:23:28,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:23:28,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:23:28,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:23:28,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:23:28,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:23:28,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:23:28,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:23:28,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:23:28,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:23:28,064 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:23:28,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:23:28,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:23:28,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:23:28,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:23:28,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:23:28,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:23:28,065 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:23:28,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:23:28,065 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:23:28,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:23:28,066 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:23:28,066 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:23:28,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:23:28,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:23:28,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:23:28,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:23:28,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:23:28,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:23:28,066 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:23:28,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:23:28,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5af096602968b138e39e870cf8b45f1db42f1b1881a6ab5756cfe0982d67af39 [2024-12-06 01:23:28,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:23:28,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:23:28,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:23:28,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:23:28,287 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:23:28,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/round.i [2024-12-06 01:23:30,893 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/data/7b0c7c904/a74d7f0ab9d646acbfc7531a0217c13a/FLAG7e192c5ca [2024-12-06 01:23:31,186 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:23:31,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/sv-benchmarks/c/floats-esbmc-regression/round.i [2024-12-06 01:23:31,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/data/7b0c7c904/a74d7f0ab9d646acbfc7531a0217c13a/FLAG7e192c5ca [2024-12-06 01:23:31,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/data/7b0c7c904/a74d7f0ab9d646acbfc7531a0217c13a [2024-12-06 01:23:31,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:23:31,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:23:31,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:23:31,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:23:31,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:23:31,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:23:31" (1/1) ... [2024-12-06 01:23:31,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a23c5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:31, skipping insertion in model container [2024-12-06 01:23:31,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:23:31" (1/1) ... [2024-12-06 01:23:31,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:23:31,812 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/sv-benchmarks/c/floats-esbmc-regression/round.i[36280,36293] [2024-12-06 01:23:31,817 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: round at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:782) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:180) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:667) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:542) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1607) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:23:31,823 INFO L158 Benchmark]: Toolchain (without parser) took 356.33ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 104.6MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:23:31,823 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:31,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.17ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 104.6MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:23:31,824 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.17ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 104.6MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: round de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: round: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/round.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5af096602968b138e39e870cf8b45f1db42f1b1881a6ab5756cfe0982d67af39 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:23:33,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:23:33,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:23:33,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:23:33,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:23:33,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:23:33,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:23:33,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:23:33,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:23:33,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:23:33,684 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:23:33,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:23:33,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:23:33,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:23:33,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:23:33,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:23:33,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:23:33,684 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:23:33,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:23:33,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:23:33,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:23:33,685 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:23:33,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:23:33,685 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:23:33,685 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:23:33,685 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:23:33,685 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:33,685 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:23:33,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:23:33,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:23:33,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:23:33,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:23:33,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:23:33,686 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:23:33,686 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:33,686 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:23:33,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5af096602968b138e39e870cf8b45f1db42f1b1881a6ab5756cfe0982d67af39 [2024-12-06 01:23:33,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:23:33,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:23:33,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:23:33,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:23:33,917 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:23:33,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/round.i [2024-12-06 01:23:36,656 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/data/a414462bb/5cf40a4f68af40178ad2468204534103/FLAG20175b632 [2024-12-06 01:23:36,877 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:23:36,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/sv-benchmarks/c/floats-esbmc-regression/round.i [2024-12-06 01:23:36,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/data/a414462bb/5cf40a4f68af40178ad2468204534103/FLAG20175b632 [2024-12-06 01:23:36,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/data/a414462bb/5cf40a4f68af40178ad2468204534103 [2024-12-06 01:23:36,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:23:36,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:23:36,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:23:36,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:23:36,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:23:36,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:23:36" (1/1) ... [2024-12-06 01:23:36,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc83709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:36, skipping insertion in model container [2024-12-06 01:23:36,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:23:36" (1/1) ... [2024-12-06 01:23:36,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:23:37,302 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/sv-benchmarks/c/floats-esbmc-regression/round.i[36280,36293] [2024-12-06 01:23:37,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:23:37,325 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:23:37,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/sv-benchmarks/c/floats-esbmc-regression/round.i[36280,36293] [2024-12-06 01:23:37,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:23:37,463 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:23:37,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37 WrapperNode [2024-12-06 01:23:37,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:23:37,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:23:37,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:23:37,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:23:37,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,508 INFO L138 Inliner]: procedures = 448, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-12-06 01:23:37,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:23:37,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:23:37,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:23:37,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:23:37,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,520 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:23:37,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:23:37,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:23:37,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:23:37,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:23:37,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:23:37,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:23:37,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:23:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:23:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:23:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:23:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:23:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:23:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:23:37,656 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:23:37,657 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:23:37,755 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 01:23:37,755 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:23:37,777 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:23:37,777 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:23:37,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:23:37 BoogieIcfgContainer [2024-12-06 01:23:37,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:23:37,778 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:23:37,778 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:23:37,788 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:23:37,788 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:23:37" (1/1) ... [2024-12-06 01:23:37,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:23:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:37,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2024-12-06 01:23:37,844 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2024-12-06 01:23:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:23:37,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:37,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:37,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:23:37,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:23:37,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:23:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:37,983 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:23:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:38,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:23:38,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:23:38,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:23:38,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:23:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 44 transitions. [2024-12-06 01:23:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2024-12-06 01:23:38,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 01:23:38,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:38,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:38,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:23:38,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:23:38,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a6da98-3b5e-4de9-a4f1-4a1fb9b25f2c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:23:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:23:38,499 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:23:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat